CN217112883U

CN217112883U - Electronic equipment and lens module thereof

Info

Publication number: CN217112883U
Application number: CN202220647006.8U
Authority: CN
Inventors: 黄俊杰; 孙同波
Original assignee: Infiray Technologies Co Ltd
Current assignee: Infiray Technologies Co Ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-02
Anticipated expiration: 2032-03-23

Abstract

The application discloses an electronic device and a lens module thereof, wherein the lens module comprises a lens barrel, an ocular and a visibility adjusting assembly, wherein the ocular is arranged on the lens barrel, the visibility adjusting assembly is arranged on the ocular, and the visibility adjusting assembly is used for adjusting the visibility; further, the diopter adjusting assembly comprises a support and an adjusting lens, the support is detachably connected with the eyepiece, the adjusting lens is arranged in the support and is arranged towards the eyepiece, and the adjusting lens is used for adjusting diopter. Above-mentioned camera lens module has add the diopter adjusting part, and the concrete way is to connect the support of built-in adjusting lens on the eyepiece, and this adjusting lens can be the emmetropia lens for different degrees are matchd according to the visual condition of user difference, can match suitable adjusting lens according to different users' demand like this, thereby reach the purpose that the diopter was adjusted. The visibility adjusting assembly is particularly suitable for the conditions of large screen and small magnification, and can greatly improve the universality of the lens module.

Description

Electronic equipment and lens module thereof

Technical Field

The application relates to the technical field of electronic equipment, in particular to a lens module. The application also relates to an electronic device with the lens module.

Background

At present, the screens of infrared thermal imaging products, observation type electronic products and gun aiming products generally need to be matched by using small screens and magnifying eyepieces with larger multiplying power, so that the photopic distance is shortened on one hand, and the magnifying eyepieces can be used for adjusting the visual degree to meet the requirement that different vision users (far vision and near vision) see the screens clearly.

In the prior art, a general method for adjusting the visibility is realized by adjusting the curvature of an eyepiece and adjusting the distance between the eyepiece and a screen. However, when the screen is large enough, the required magnification x will be small, depending on

The focal length f (mm) of the eyepiece will increase, and according to the principle of diopter adjustment, the moving distance required for adjusting one diopter is as follows: f. of ² And/1000, therefore, the distance required to adjust the visibility is longer. As such, although in principle, diopter adjustment can be achieved, practical configurations do not generally allow eyepiece barrel configurations to be excessively long, which can result in closer eyepiece-to-screen distances, resulting in viewing diopters at negative diopters that do not meet the needs of hyperopic users.

Therefore, how to avoid that the observation visibility of the device cannot meet the requirement due to the structural limitation of the eyepiece sleeve is a technical problem to be solved by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The application aims at providing a lens module, can match suitable lens according to user's eyesight condition to reach the purpose that the diopter was adjusted. Another object of the present application is to provide an electronic device including the lens module.

In order to achieve the above object, the present application provides a lens module, including:

a lens barrel;

an eyepiece provided on the lens barrel;

the visibility adjusting part is located on the eyepiece, include:

a stand detachably connected to the eyepiece;

and the adjusting lens is arranged in the support and faces the eyepiece and is used for adjusting the visibility.

Optionally, the diopter adjustment assembly further includes a first washer and a second washer, the first washer and the second washer are disposed in the bracket, the adjustment lens is located between the first washer and the second washer, and the adjustment lens abuts against the first washer and the second washer.

Optionally, the diopter adjusting assembly further comprises a pressing ring, and the pressing ring is arranged in the support and is abutted to the adjusting lens through the second gasket.

Optionally, the compression ring is screwed into the bracket.

Optionally, a notch is formed in the pressure ring, and the notch is used for inserting an auxiliary tool to apply torque to the pressure ring.

Optionally, still include the spacing ring, the spacing ring joint in on the eyepiece, the spacing ring is used for preventing the eyepiece is along keeping away from adjust the direction motion of lens.

Optionally, the adjusting device further comprises a retaining ring, the retaining ring is connected to the lens barrel through threads, and the retaining ring is used for preventing the eyepiece from moving in a direction close to the adjusting lens.

Optionally, the eyepiece is connected to the lens barrel by a screw thread, and the holder is connected to the eyepiece by a screw thread.

Optionally, a sealing ring is arranged on the eyepiece and abuts against the inner side wall of the lens barrel.

The application also provides an electronic device comprising the lens module.

For above-mentioned background art, the camera lens module that this application embodiment provided, including lens cone, eyepiece and diopter adjusting part, wherein, on the lens cone was located to the eyepiece, diopter adjusting part located the eyepiece on, diopter adjusting part is used for adjusting the diopter. Further, the diopter adjusting assembly comprises a support and an adjusting lens, the support is detachably connected with the eyepiece, the adjusting lens is arranged in the support and is arranged towards the eyepiece, and the adjusting lens is used for adjusting diopter. Therefore, when the eyesight needs to be adjusted, the adjusting lens is arranged in the bracket, the bracket is connected to the ocular lens, and the purpose of adjusting the eyesight is achieved by additionally arranging the adjusting lens.

Because the traditional equipment needs to move along the axial direction through the ocular lens to adjust the visibility, when the distance required to move for adjusting one visibility is too large, the structural limitation does not allow the structure of the lens cone to be too long, so that the visibility of the equipment is not adjustable. In order to solve the problem, the diopter adjusting component is additionally arranged on the basis of the original eyepiece and used for adjusting the diopter of equipment, the support with the built-in adjusting lens is connected to the eyepiece, the adjusting lens can be a front diopter lens and used for matching different diopters according to different vision conditions of users, and therefore the adjusting lens can be matched with the appropriate adjusting lens according to the requirements of different users, and the purpose of adjusting the diopter is achieved. The visibility adjusting assembly is particularly suitable for the conditions of large screen and small magnification, and can greatly improve the universality of the lens module.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is an exploded view of a lens module according to an embodiment of the present application;

FIG. 2 is an exploded view of a diopter adjustment assembly in the lens module shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view illustrating a lens module according to an embodiment of the present disclosure;

FIG. 4 is a schematic view of the assembly of the vision adjustment assembly and the eyepiece of the lens module shown in FIG. 3;

fig. 5 is an assembled schematic view of the lens module shown in fig. 4.

Wherein:

10-a lens module,

101-diopter adjusting component, 1011-bracket, 1012-first washer, 1013-adjusting lens, 1014-second washer, 1015-press ring, 10151-notch,

102-a limit ring,

103-a retaining ring,

104-ocular lens,

105-sealing ring,

106-lens barrel.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

The core of this application is to provide a lens module, can match suitable lens according to user's eyesight condition to reach the purpose that the diopter is adjusted. Another core of the present application is to provide an electronic device including the lens module.

In order to enable those skilled in the art to better understand the scheme of the present application, the present application will be described in further detail with reference to the accompanying drawings and the detailed description.

It should be noted that the following directional terms such as "upper end, lower end, left side, right side" and the like are defined based on the drawings of the specification.

Referring to fig. 1 to 5, fig. 1 is an exploded view of a lens module according to an embodiment of the present disclosure;

FIG. 2 is an exploded view of a diopter adjustment assembly in the lens module shown in FIG. 1; FIG. 3 is a schematic cross-sectional view illustrating a lens module according to an embodiment of the present disclosure; FIG. 4 is a schematic view of the assembly of the vision adjusting assembly and the eyepiece of the lens module shown in FIG. 3; fig. 5 is an assembled schematic view of the lens module shown in fig. 4.

The lens module 10 provided by the embodiment of the present application includes a lens barrel 106, an eyepiece 104 and a visibility adjustment assembly 101, wherein the eyepiece 104 is disposed on the lens barrel 106, the visibility adjustment assembly 101 is disposed on the eyepiece 104, and the visibility adjustment assembly 101 is used for adjusting the front visibility of an electronic device (such as an infrared imaging device).

Further, diopter adjustment assembly 101 includes a holder 1011 and an adjustment lens 1013, wherein eyepiece 104 is provided on lens barrel 106, holder 1011 is detachably connected to eyepiece 104, adjustment lens 1013 is provided in holder 1011, adjustment lens 1013 is provided toward eyepiece 104, and adjustment lens 1013 is used to adjust diopter.

The adjustment lens 1013 may be a front vision lens, and the adjustment lens 1013 is used to match different powers according to different vision conditions of the user.

Of course, in order to facilitate installation of the adjustable lenses 1013 with different degrees, the bracket 1011 is structurally reserved with a predetermined space.

Thus, when the diopter adjustment is required, the adjustment lens 1013 is first set in the holder 1011, the holder 1011 is then connected to the eyepiece 104, and the diopter adjustment is achieved by additionally providing the adjustment lens 1013 at the rear end of the eyepiece 104.

It should be noted that when the screen is large enough, the required magnification is small, the focal length of eyepiece 104 is increased, and the movement distance of eyepiece 104 required to adjust a diopter is long according to the diopter adjustment principle. Although in principle, diopter adjustment is possible, practical configurations do not generally allow barrel 106 to be too long, which would allow the distance between eyepiece 104 and the screen to be relatively close, resulting in a viewing diopter that is negative and thus not satisfactory for a hyperopic user. In order to solve the problem, the eyesight adjusting assembly 101 is additionally arranged on the basis of the original eyepiece 104 and used for adjusting the front eyesight of equipment, and the specific method is that the bracket 1011 with the built-in adjusting lens 1013 is connected to the eyepiece 104, so that the proper adjusting lens 1013 can be matched according to the eyesight conditions of different users, and the purpose of eyesight adjustment is achieved.

The diopter adjusting assembly 101 is particularly suitable for large screens and small magnification ratios, and can greatly improve the universality of the lens module 10.

In this embodiment, the diopter adjustment assembly 101 further comprises a first washer 1012 and a second washer 1014, both the first washer 1012 and the second washer 1014 disposed within the bracket 1011, an adjustment lens 1013 positioned between the first washer 1012 and the second washer 1014, the adjustment lens 1013 abutting the first washer 1012 and the second washer 1014.

Of course, the first and

second washers

1012, 1014 can each be a resilient washer, such as a rubber washer, and the first and

second washers

1012, 1014 support the adjustment lens 1013 from either side of the adjustment lens 1013, respectively, for providing a cushioning effect to prevent crushing of the adjustment lens 1013.

Further, a press ring 1015 is disposed within the bracket 1011, the press ring 1015 abuts against a second washer 1014, and the second washer 1014 abuts against the adjustment lens 1013, that is, the press ring 1015 abuts against the adjustment lens 1013 via the second washer 1014 to fix the adjustment lens 1013.

Specifically, pressing ring 1015 is screwed into holder 1011, that is, pressing ring 1015 and holder 1011 are fixed by screw-fit connection, and pressing adjustment lens 1013.

In order to facilitate the installation and the removal of the pressing ring 1015, a notch 10151 is formed on the pressing ring 1015, and the notch 10151 is used for an auxiliary tool to be inserted so as to apply torque to the pressing ring 1015, thereby facilitating the installation and the replacement of the adjusting lens 1013.

In the present embodiment, the positions of eyepiece 104 and lens barrel 106 are relatively fixed, i.e., eyepiece 104 is configured to be fixedly attached to lens barrel 106, and the visibility cannot be adjusted by changing the rear intercept. Thus, the structure design of the ocular lens 104 and the lens barrel 106 is simple, and the relative movement of the ocular lens 104 and the lens barrel 106 in the process of adjusting the visibility does not need to be considered.

Specifically, the lens module 10 further includes a limiting ring 102, the limiting ring 102 is clamped on the eyepiece 104, and the limiting ring 102 is used for preventing the eyepiece 104 from rotating in a direction away from the adjusting lens 1013. Of course, the limit ring 102 may be a plastic ring.

In order to facilitate the connection of the limit ring 102, one of the limit ring 102 and the ocular lens 104 is provided with a clamping protrusion, and the other is provided with a clamping groove, so that during fixed installation, the limit ring 102 is only required to be clamped and fixed on the ocular lens 104.

Further, the lens module 10 further includes a retaining ring 103, the retaining ring 103 is screwed to the lens barrel 106, and the retaining ring 103 is used for preventing the eyepiece 104 from rotating in a direction approaching the adjustment lens 1013.

During installation, the eyepiece 104 is installed on the lens barrel 106, the retaining ring 103 is connected with the lens barrel 106, the limit ring 102 is clamped on the eyepiece 104, and finally the bracket 1011 with the built-in adjusting lens 1013 is connected with the eyepiece 104.

Preferably, eyepiece 104 is threadably attached to barrel 106 and mount 1011 is threadably attached to eyepiece 104.

In the lens module 10 provided by the present application, the bracket 1011 is provided with an external thread, the eyepiece 104 is provided with an internal thread, and the external thread on the bracket 1011 is connected and fixed with the internal thread reserved on the eyepiece 104; the eyepiece 104 is further provided with an external thread, correspondingly, the lens barrel 106 is provided with an internal thread, the external thread on the eyepiece 104 is connected and fixed with the internal thread on the lens barrel 106, and the rear intercept does not need to be changed by moving the eyepiece 104 back and forth.

In order to ensure sealing performance, a seal ring 105 is provided on the eyepiece 104, and the seal ring 105 abuts against the inner wall of the lens barrel 106. For example, a mounting groove may be formed on an outer side wall of the eyepiece 104, the sealing ring 105 is fixedly disposed in the mounting groove, and at this time, the inner side wall of the lens barrel 106 compresses the sealing ring 105 by using elasticity of the sealing ring 105, so as to ensure the connection tightness between the eyepiece 104 and the lens barrel 106.

Thus, if the optical system of the whole device is not provided with the diopter adjustment assembly 101, the diopter is-a, and the diopter to be achieved is + b, the diopter of the adjustment lens 1013 needs to be achieved by a + b to meet the requirement, and at this time, the appropriate lens can be matched according to the eyesight conditions of different users, so as to achieve the purpose of diopter adjustment.

It should be noted that the length of the eyepiece 104 that needs to be added to the rear end of the eyepiece 104 using the diopter adjustment assembly 101 is slightly greater than the thickness of the edge of the adjustment lens 1013, the thickness of the adjustment lens 1013 is typically less than 7mm, and the length of the entire diopter adjustment assembly 101 is typically less than 12mm, so that the length of the eyepiece 104 structure required for adjusting the diopter can be reduced, as illustrated below:

according to the traditional method for adjusting the visibility, namely, the visibility is adjusted by adjusting the distance between the ocular 104 and the screen, the visibility is adjusted from-a to + b according to the formula of the movement distance for adjusting the visibility of the ocular 104, and the distance that the ocular 104 needs to move is as follows: (a + b). times.f ² /1000. If a is 5, b is 4, and f is 100, the distance to be moved is 90mm, which is much longer than the length added by the addition of the diopter adjustment assembly 101.

In addition, the vision adjusting assembly 101 has small structural change to the original optical system, the position of the optical lens of the whole system is fixed and does not need to be moved, the optical system is not affected under the condition of impact shock, and the vision can be kept stable.

An electronic device provided by the present application includes the lens module 10 described in the above embodiment; other parts of the electronic device can be referred to the prior art and are not expanded herein.

It is noted that, in this specification, relational terms such as first and second, and the like are used solely to distinguish one entity from another entity without necessarily requiring or implying any actual such relationship or order between such entities.

The electronic device and the lens module thereof provided by the present application are described in detail above. The principle and the implementation of the present application are explained herein by using specific examples, and the above descriptions of the examples are only used to help understand the scheme and the core idea of the present application. It should be noted that, for those skilled in the art, it is possible to make several improvements and modifications to the present application without departing from the principle of the present application, and such improvements and modifications also fall within the scope of the claims of the present application.

Claims

1. A lens module (10) comprising:

a lens barrel (106);

an eyepiece (104) provided on the lens barrel (106);

the diopter adjusting assembly (101), locate on eyepiece (104), include:

a bracket (1011) detachably connected to the eyepiece (104);

and the adjusting lens (1013) is arranged in the bracket (1011), is arranged towards the eyepiece (104) and is used for adjusting the visibility.

2. The lens module (10) of claim 1, wherein the diopter adjustment assembly (101) further comprises a first washer (1012) and a second washer (1014), said first washer (1012) and said second washer (1014) being disposed within said bracket (1011), said adjustment lens (1013) being positioned between said first washer (1012) and said second washer (1014), said adjustment lens (1013) abutting said first washer (1012) and said second washer (1014).

3. The lens module (10) of claim 2, wherein the diopter adjustment assembly (101) further comprises a press ring (1015), wherein the press ring (1015) is disposed in the bracket (1011) and abuts the adjustment lens (1013) via the second washer (1014).

4. The lens module (10) according to claim 3, wherein the press ring (1015) is screwed into the holder (1011).

5. The lens module (10) according to claim 3, wherein the press ring (1015) is provided with a notch (10151), and the notch (10151) is used for an auxiliary tool to insert so as to apply torque to the press ring (1015).

6. The lens module (10) according to any of claims 1-5, further comprising a retainer ring (102), wherein the retainer ring (102) is engaged with the eyepiece (104), and wherein the retainer ring (102) is configured to prevent the eyepiece (104) from moving in a direction away from the adjustment lens (1013).

7. The lens module (10) of claim 6, further comprising a backstop ring (103), wherein said backstop ring (103) is threadably connected to said barrel (106), and wherein said backstop ring (103) is configured to prevent said eyepiece (104) from moving in a direction approaching said adjustment lens (1013).

8. The lens module (10) of claim 6, wherein the eyepiece (104) is threadably connected to the lens barrel (106), and the bracket (1011) is threadably connected to the eyepiece (104).

9. The lens module (10) according to claim 8, wherein the eyepiece (104) is provided with a sealing ring (105), and the sealing ring (105) abuts against the inner side wall of the lens barrel (106).

10. An electronic device, characterized in that it comprises a lens module (10) according to any one of claims 1 to 9.